*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
#all_div{
    background-image: url(../images/login_bg.jpg);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    padding: 0;
}
#all_div>div{
    padding-top: 6%;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.6);
}
#title h1{
    text-align: center;
    color: rgb(228,228,228);
    font-size: 45px;
    font-weight: bolder;
    margin-bottom: 60px;
}
#login{
    padding: 0 7%;
}
#login>div{
    padding: 35px;
    height: 100%;
    border-radius: 5px;
    background-color: rgba(0,0,0,0.5);
}
#login>div>div>input{
    height: 55px;
    margin-bottom: 10px;
    border-radius: 5px;
    background-color: rgba(0,0,0,0.5);
    padding-left: 15px;
    border: 1px solid rgb(51,51,51);
    width: 100%;
    font-size: 20px;
    color: white;
}
#login>div>div>input::placeholder{
    color: rgb(51,51,51); 
}
#login>div>div:nth-of-type(3){
    position: relative;
}
#yanzm{
    position: absolute;
    bottom: 20px;
    right: 10px;
    width: 80px;
    height: 35px;
    line-height: 35px;
    text-align: center;
    border-radius: 10px;
    color: rgb(149,153,153);
    font-size: 18px;
    background-color: rgb(33,33,33);
}
#login>div>div>button{
    width: 100%;
    background-color: rgb(4,4,207);
    height: 55px;
    margin-top: 10px;
    color: white;
    border: none;
    font-size: 20px;
    border-radius: 5px;
}
#login>div>div>button:hover{
    background-color: rgb(210,158,9);
}